Research Interests:

I use high-density scalp ERP, Human intracranial EEG, fMRI, and behavioral measures to investigate the neurophysiological mechanisms underlying object-recognition and multisensory integration effects on perception.

Pejman Sehatpour, MD, Ph.D.

Phone : (845) 398-6618
email :sehatpour@nki.rfmh.org

Current Projects

 

 

Publications

Abstracts and Posters

Molholm S., Sehatpour P., Mehta A., Schwartz T. H., Shpaner M., Higgins B., Javitt D. C., & Foxe J. J. (2004). Multisensory processing in humans: Intracranial evidence for early Auditory-Visual interactions in sensory cortices. Cognitive Neuroscience Society, April 18, San Francisco, USA.
Sehatpour P., Molholm S., Higgins B., Javitt D. C., & Foxe J. J. (2004). Perceptual closure processes during object recognition: An integrative ERP-FMRI approach. Cognitive Neuroscience Society, April 19, San Francisco, USA.
Higgins B., Sehatpour P., Molholm S., Mehta S., Schwartz T. H., Shpaner M., Javitt D. C., & Foxe J. J. (2004). Perceptual closure processes during object recognition: An intracranial investigation in humans. Cognitive Neuroscience Society, April 19, San Francisco, USA.
Leitman D. I., Molholm S., Gomez-Ramirez M., Sehatpour P., Piesco J. R., Shpaner M., Javitt D. C., & Foxe J. J. (2004). Pre-attentive perception of speech like contour patterns: A mismatch negativity (MMN) study. Cognitive Neuroscience Society, April 19, San Francisco, USA.
Sehatpour P., Zemon V. M., Molholm S., Higgins B., Mehta A., Schwartz T. H., Shpaner M., Javitt D. C., & Foxe J. J. (2005). Perceptual closure processes during object recognition: An intracranial investigation in humans. Cognitive Neuroscience Society, April 11, New York, USA.
Saint-Amour D., Molholm S., Sehatpour P., Ross L., Mehta A., Schwartz T. H., Ritter W., & J.J. Foxe (2005). Multisensory mismatch negativity processes in temporal cortex: A human intracranial investigation of the McGurk illusion. Cognitive Neuroscience Society, April 10, NY, USA.
Piesco J. R., Molholm S., Sehatpour P., & Foxe J. J. (2005). Keeping in Touch with Your Visual System: A Visual-Somatosensory Multisensory Integration Study using high-density electrical mapping. Cognitive Neuroscience Society, April 11, NY, USA.
Molholm S., Sehatpour P., Mehta A., Schwartz T. H., Shpaner M., Higgins B., Javitt D. C., & Foxe J. J. (2005). Auditory-Visual multisensory processing in parietal cortex: A human intracranial study. Cognitive Neuroscience Society, April 11, NY, USA.
Strugstad E. C., McCourt M., Pasieka W., Sehatpour P., Shpaner M., Zemon V., Javitt D. C., & Foxe J. J. (2005). Parvocellular and Magnocellular contributions to visuo-spatial attention: Line-bisection judgements evaluated with high-density electrical mapping. Cognitive Neuroscience Society, April 12, NY, USA.
Shpaner M., Sehatpour P., Hoptman M., Dias E., & Foxe J. J. (2005). Combined high-density electrophysiology and fMRI investigation: comparison of congenital prosopagnosic patient with healthy controls. Cognitive Neuroscience Society, April 12, NY, USA.
Higgins B., Mehta A., Sehatpour P., Molholm S., Schwartz T. H., Wylie G. R., & Foxe J. J. (2005). Task switching: An intracranial investigation in humans. Cognitive Neuroscience Society, April 12, NY, USA.
Leitman D. I., Foxe J. J., Hoptman M., Leavitt V., Sehatpour P., Kim D., Piesco J. R., & Javitt D. C. (2005). High Density Mapping of Visual P300 Deficits in Schizophrenia. International Congress on Schizophrenia Research.
Sehatpour, P., Molholm, S., Mehta, A., Schwartz, T., Dyke, J. P., Javitt, D. C., and Foxe, J. J. (2006) Perceptual closure processes during object recognition: An intracranial investigation in Humans. Cognitive Neuroscience Society, CA, USA.
Papers
Sehatpour P., Molholm S., Javitt D. C., & Foxe J. J. (2006). Spatiotemporal Dynamics of human object recognition processing: An integrated high-density electrical mapping and functional imaging study of “closure” processes. Neuroimage, 29, 605-618. PMID: 16168676
Molholm S., Sehatpour P., Mehta A., Shpaner M., Gomez-Ramirez M., Dyke J. P., Schwartz T. H., & Foxe J. J. (2006). Auditory-Visual multisensory processing in parietal cortex: A human intracranial study. J Neurophysiol. Aug; 96(2):721-9. PMID: 16687619
Yeap S, Kelly SP, Sehatpour P, Magno E, Javitt DC, Garavan H, Thakore JH, Foxe J.J. (2006) Early visual sensory deficits as endophenotypes for schizophrenia: high-density electrical mapping in clinically unaffected first-degree relatives. Arch Gen Psychiatry. Nov; 63(11):1180-8. PMID: 17088498
De Sanctis P, Katz R, Wylie GR, Sehatpour P, Alexopoulos GS, Foxe JJ. (2007). Enhanced and bilateralized visual sensory processing in the ventral stream may be a feature of normal aging. Neurobiol Aging. Oct; 29(10):1576-86. PMID: 17478011
Sehatpour P., Molholm S., Schwartz T. H., Mahoney J.R., Mehta A.D., Javitt D.C., Stanton P.K., Foxe J. J. (2008). A human intracranial study of Long-range oscillatory coherence across a frontal-occipital-hippocampal brain network during visual object processing. Proc Natl Acad Sci U S A. Mar; 105(11):4399-404. PMID: 18334648
Yeap S., Kelly S.P., Sehatpour P., Magno E., Garavan H., Thakore J.H., & Foxe J.J. (2008) Visual sensory processing deficits in Schizophrenia and their relationship to disease state. European Archives of Psychiatry and Clinical Neuroscience. Aug; 258(5):305-16. PMID: 18504634
Foxe J.J., Strugstad E.C., Sehatpour P., Molholm S., Pasieka W., Schroeder C.E., McCourt M.E. (2008). Parvocellular and magnocellular contributions to the initial generators of the visual evoked potential: high-density electrical mapping of the "C1" component. Brain Topogr. Sep; 21(1):11-21. PMID: 18784997
De Sanctis P., Gomez-Ramirez M., Sehatpour P., Wylie G.R., Foxe J.J. (2009). Preserved executive function in high-performing elderly is driven by large-scale recruitment of prefrontal cortical mechanisms. Hum Brain Mapp. Hum Brain Mapp. Dec; 30(12):4198-214. PMID: 19572310
Leitman D.I., Sehatpour P., Shpaner M., Foxe J.J., Javitt D.C. (2009). Mismatch Negativity to Tonal Contours Suggests Preattentive Perception of Prosodic Content. Brain Imaging and Behavior. Sep; 3(3):284-291.
Katz R., De Sanctis, P., Mahoney J.R., Sehatpour P., Murphy C.H., Gomez-Ramirez M., George S Alexopoulos G.S., Foxe J.J. (2010). Cognitive Control in Late-Life Depression: Response inhibition deficits and dysfunction of the Anterior Cingulate Cortex. Am. J. Ger. Psychiatry. (In Press).
Sehatpour, P., Dias, E.C., Butler, P.D., Revheim, N., Guilfoyle, D.N., Foxe J.J., Javitt, D.C. (2010). Impaired Visual Object Processing Across an Occipital- Frontal- Hippocampal Brain Network in Schizophrenia: An integrated neuro-imaging study. Arch.Gen.Psychiatry, (In press).
Mahoney J.R., Molholm S., Sehatpour P., Ritter W., & Foxe, J. J. Multisensory Visual-Somatosensory Interactions in Early Sensory Processing: A high-density electrical mapping study. (In Preparation).
Talks and Presentations
Sehatpour, P., Zemon, V. M., Molholm, S., Mehta, A., Schwartz, T. H., Javitt, D.C., Foxe, J.J.  Perceptual closure processes during object recognition: An intracranial investigation in humans.  Program No. 824.14. San Diego: Society for Neuroscience (SFN) 2004.
Sehatpour, P., Zemon, V. M., Molholm, S., Higgins B., Mehta, A., Schwartz, T. H., Javitt, D.C., Foxe, J.J. Perceptual closure processes during object recognition: An Integrative Investigation in Humans. Program No. 2438. Association for Research in Vision and Ophthalmology (ARVO) May 03, 2005.